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-   -   porting and idle/start characteristics (https://www.rx7club.com/single-turbo-rx-7s-23/porting-idle-start-characteristics-26994/)

turbostreetfighter 10-20-01 10:37 PM

porting and idle/start characteristics
 
all of you guys with the LARGE exhaust ports and semi large intake ports. are they typically harder to start or is it just a matter of fiddling with the crank fuel/timing? the last two motors i built with very large exhaust ports take and extra second or so to start. it kinda bothers me but if it is normal than i wont worry about it.

2fast 10-21-01 04:39 AM

How big are we talking here? Are they the same size as the exhaust ports on www.staffsauto.com??

I haven't had any problems whatsoever with starting...the motor starts up as it did when it was stock. And idle pretty close to a stock motor with some idle fuel adjustment.

turbostreetfighter 10-21-01 06:27 PM

i found out what it was
 
my leading coil has finally bitten the bullet which is why it is so hard to start. a failed to mentioin that this was on my personal car, every other car has had no problems


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